(AP Photo/Jennifer Kay). Six crosses are placed at a makeshift memorial on the Florida International University campus in Miami on Saturday, March 17, 2018, near the scene of a pedestrian bridge collapse that killed at least six people on March 15.

A matter of seconds between those who would live and those who would die as Florida pedestrian bridge topples down highway bustling with passing vehicles.

Authorities say a missing Pennsylvania teenager and a 45-year-old man who frequently signed her out of school without her parents' permission have been located in Mexico, and the man has been arrested.

Authorities say a missing Pennsylvania teenager and a 45-year-old man who frequently signed her out of school without her parents' permission have been located in Mexico, and the man has been arrested.

(Nick Wagner/Austin American-Statesman via AP). FBI agents work the scene of an explosion in Austin, Texas, Sunday, March 18, 2018. At least a few people were injured in another explosion in Texas' capital late Sunday, after three package bombs detonat...

Officials reported that an explosion in southwest Austin injured two men in their 20s who were hospitalized with injuries that didn't appear to be life-threatening.

(AP Photo/Jennifer Kay). Six crosses are placed at a makeshift memorial on the Florida International University campus in Miami on Saturday, March 17, 2018, near the scene of a pedestrian bridge collapse that killed at least six people on March 15.

A matter of seconds between those who would live and those who would die as Florida pedestrian bridge topples down highway bustling with passing vehicles.

(Joe Ahlquist/The Rochester Post-Bulletin via AP). Emergency personnel respond to the scene of a fatal stabbing Saturday, March 17, 2018, at the Salvation Army Castleview Residence in downtown Rochester, Minn. Police have arrested a man in the multiple...

Police have arrested a man in the fatal stabbing of two men at a Salvation Army apartment building in downtown Rochester, Minnesota.

(AP Photo/Elise Amendola, File). FILE - This Monday, June 19, 2017, file photo shows a user signing in to Facebook on an iPad, in North Andover, Mass. Facebook has a problem it just can’t kick: People keep exploiting it in ways that could sway election...

News reports that Facebook let the Trump-affiliated data mining firm Cambridge Analytica abscond with data from tens of millions of users mark the third time in roughly a year the company appears to have been outfoxed in this way.

News reports that Facebook let the Trump-affiliated data mining firm Cambridge Analytica abscond with data from tens of millions of users mark the third time in roughly a year the company appears to have been outfoxed in this way.

Authorities say a missing Pennsylvania teenager and a 45-year-old man who frequently signed her out of school without her parents' permission have been located in Mexico, and the man has been arrested.

Authorities say a missing Pennsylvania teenager and a 45-year-old man who frequently signed her out of school without her parents' permission have been located in Mexico, and the man has been arrested.

(Nick Wagner/Austin American-Statesman via AP). FBI agents work the scene of an explosion in Austin, Texas, Sunday, March 18, 2018. At least a few people were injured in another explosion in Texas' capital late Sunday, after three package bombs detonat...

Officials reported that an explosion in southwest Austin injured two men in their 20s who were hospitalized with injuries that didn't appear to be life-threatening.

(AP Photo/Alessandra Tarantino). Pope Francis sits among youths for a group photo during the opening session of the pre-synod of the youths meeting, at the the Mater Ecclesiae college in Rome, Monday, March 19, 2018.

Pope Francis has asked forgiveness for all Christians who buy sex from women, telling a roomful of young people that frequenting prostitutes is a crime against humanity and the sign of a "sick mentality" that...

Pope Francis has asked forgiveness for all Christians who buy sex from women, telling a roomful of young people that frequenting prostitutes is a crime against humanity and the sign of a "sick mentality" that thinks that women exist to be exploited.